over sb's head
超过某人理解力;过于复杂
too difficult or complicated for sb to understand
A lot of the jokes went (= were) right over my head.那些笑话有很多我完全听不懂。
over sb's head
职位比某人高;超过某人
to a higher position of authority than sb
I couldn't help feeling jealous when she was promoted over my head.她受到提拔职位超过了我,我不由得感到嫉妒。
释义来自《牛津高阶英汉双解词典》第 9 版